根据图片提示写单词,使句子完整。
Welcome to our____ .
This is my____ .
It's very big. Look! This is our____room. It's very beautiful .
We have a____ . There are many books.
Our____room is on the second floor.
已知y=(m+1)xm2-2是反比例函数,则m=____.
若地磁场在某区域的磁场强弱和方向处处相同,小明在该区域某处竖直拿着闭合的矩形导电线圈面向南方,如图,则能使线圈中产生感应电流的操作是( )
(Ⅰ)求证:EF∥面ABC;
(Ⅱ)求证:平面ADE⊥平面ACD;
(Ⅲ)求四棱锥A﹣BCDE的体积.
抓住关键词语是一种很好的历史学习方法。李刚同学在复习历史时,写下了“鲁迅”、“茅盾”、“《阿Q正传》”、“巴金”等一些词语,你认为李刚复习的主题最可能是( )